diff --git a/frozen_runs_analysis/tests/data/frozen_runs_sample.json b/frozen_runs_analysis/tests/data/frozen_runs_sample.json
new file mode 100644
index 0000000..ac2b84a
--- /dev/null
+++ b/frozen_runs_analysis/tests/data/frozen_runs_sample.json
@@ -0,0 +1,57 @@
+[
+  {
+    "run_id": "#24",
+    "status": "pinned",
+    "sanity_checks": {
+      "corrid_chain_valid": true,
+      "missing_pairs": 0,
+      "clocksource_switches": 1,
+      "p95_latency_ms": 12.5
+    },
+    "config_hash": "a1b2c3d4e5f6"
+  },
+  {
+    "run_id": "#25",
+    "status": "pinned",
+    "sanity_checks": {
+      "corrid_chain_valid": true,
+      "missing_pairs": 2,
+      "clocksource_switches": 0,
+      "p95_latency_ms": 18.7
+    },
+    "config_hash": "a1b2c3d4e5f6"
+  },
+  {
+    "run_id": "#26",
+    "status": "unpinned",
+    "sanity_checks": {
+      "corrid_chain_valid": false,
+      "missing_pairs": 4,
+      "clocksource_switches": 3,
+      "p95_latency_ms": 22.1
+    },
+    "config_hash": "d9e8f7a6b5c4"
+  },
+  {
+    "run_id": "#27",
+    "status": "pinned",
+    "sanity_checks": {
+      "corrid_chain_valid": true,
+      "missing_pairs": 1,
+      "clocksource_switches": 1,
+      "p95_latency_ms": 14.9
+    },
+    "config_hash": "a1b2c3d4e5f6"
+  },
+  {
+    "run_id": "#28",
+    "status": "unpinned",
+    "sanity_checks": {
+      "corrid_chain_valid": false,
+      "missing_pairs": 5,
+      "clocksource_switches": 2,
+      "p95_latency_ms": 25.3
+    },
+    "config_hash": "d9e8f7a6b5c4"
+  }
+]
\ No newline at end of file